Overhead Crane Inspector (OCI) Exam Guide: The Credential, the Written Examination, and the Route Between Them

CCO’s Overhead Crane Inspector certification is a written-only credential: experienced candidates are approved by CCO on a documented experience record before sitting the Crane Inspector Core written examination and the Overhead Crane Inspector Specialty written examination, covering six inspection domains against ASME B30.2 — the standard for the bridge, trolley, and runway systems over industrial floors. There is no practical examination. PassProfessor’s Overhead Crane Inspector program is in the works for those written examinations.

This program is part of the expanding PassProfessor catalog — join the notify list and we’ll email you when enrollment opens.

This guide covers the Overhead Crane Inspector (OCI) credential end to end: what the credential authorises, the written examination that gates it, the components around that examination — including, where this credential has one, the practical component PassProfessor does not cover — and a preparation plan organised on the published outline. It follows the issuing body’s own publications throughout, and where those publications are silent on a figure candidates commonly ask for, the guide reports the silence rather than filling it.

The companion program is in the works, built on the same primary documents this guide follows. Join the notify list and you will be emailed when enrollment opens. Until then, this guide gives preparation a structure worth starting now, because a written examination is never only an examination: it sits inside a route — eligibility, companion requirements, windows, and validity — and candidates who understand the whole route prepare for the sitting itself with better judgment about what matters.

The credential at a glance

Fact of recordDetail
DesignationOverhead Crane Inspector — designation code OCI, in CCO’s Crane Inspector program (developed with the Crane Certification Association of America)
Certifying bodyCCO — the National Commission for the Certification of Crane Operators (NCCCO)
Examination structureWritten examinations only — there is no practical examination in the Crane Inspector program. Certification requires the Crane Inspector Core written examination and the Overhead Crane Inspector Specialty written examination
Experience gate — read this firstCCO requires documented crane-related experience — the program was built for professionals with years of experience as inspectors, operators, mechanics or technicians, or shop foremen — submitted on CCO’s experience forms with supporting documentation, and CCO individually approves each candidate before permitting examination
Examination feesThird-party fees paid to CCO under its published fee schedule: Core written $210; each inspector specialty written $80
Governing standardsASME B30.2 (overhead and gantry cranes), with OSHA’s overhead crane rules at 29 CFR 1910.179 in general industry
ValidityCertification is valid for five years; recertification is by the applicable written examination(s)

Reading the verified facts

A fact table compresses; this section decompresses the lines a candidate is most likely to misread, skip, or confuse with a neighbouring credential’s facts. Each entry below restates one row of the table and adds what the row means in practice.

Designation. Overhead Crane Inspector — designation code OCI, in CCO’s Crane Inspector program (developed with the Crane Certification Association of America)

Certifying body. CCO — the National Commission for the Certification of Crane Operators (NCCCO)

Examination structure. Written examinations only — there is no practical examination in the Crane Inspector program. Certification requires the Crane Inspector Core written examination and the Overhead Crane Inspector Specialty written examination

Experience gate — read this first. CCO requires documented crane-related experience — the program was built for professionals with years of experience as inspectors, operators, mechanics or technicians, or shop foremen — submitted on CCO’s experience forms with supporting documentation, and CCO individually approves each candidate before permitting examination

Examination fees. Third-party fees paid to CCO under its published fee schedule: Core written $210; each inspector specialty written $80

Governing standards. ASME B30.2 (overhead and gantry cranes), with OSHA’s overhead crane rules at 29 CFR 1910.179 in general industry

Validity. Certification is valid for five years; recertification is by the applicable written examination(s)

The route, step by step

Step 1 — Establish the credential first

CCO’s route runs: document crane-related experience on CCO’s experience forms with supporting evidence, receive CCO’s approval, then pass the Crane Inspector Core written examination and the Overhead Crane Inspector Specialty written examination. There is no practical examination. Certification runs five years, renewed by the applicable written examinations. This program prepares candidates for the written examinations — the whole examination requirement of this credential.

Step 2 — Clear the gates that precede the sitting

Candidates are plant crane service technicians, millwright and maintenance inspectors, third-party inspection firms’ overhead specialists, and facility engineers who carry inspection responsibility for installed crane fleets. For many plants the credential answers an audit finding — documented, certified inspection — which gives the candidate pool a compliance deadline the field-inspector pools rarely have. The practical consequence for planning is sequencing: any experience documentation, approval, companion certification, or course currency this credential requires should be started before — not after — written preparation peaks, because those steps run on the issuing body’s calendar, not the candidate’s.

Step 3 — Sit the written examination

The written sitting is the step this guide and its companion program exist for. Its published domains are: Pre-Inspection Survey, Records Review, Visual Inspection, Operational Testing, Load Testing and Load Charts, Post-Inspection. The sitting is multiple-choice and timed as the facts table states; candidates should treat the outline’s proportions as a study budget, spending preparation time where the examination spends its questions. Score reporting follows the issuing body’s published practice, and domain-level performance information — where the body provides it — is the correct basis for any retake plan.

Step 4 — Complete what the written pass does not complete

A written pass is a component, not the credential. This credential is examined in writing only. There is no hands-on sitting for PassProfessor to exclude — and none is implied anywhere in this program. The preparation in the works therefore covers the credential’s whole examination requirement: the written examinations named in the facts table above. Candidates who plan this step before the sitting — booking, training, and documentation arranged — convert a pass into a credential without a dead season between them.

The examination outline in full

Pre-Inspection Survey

Every inspection begins before a wrench is lifted: establishing the overhead crane’s identity, configuration, service history, and duty, agreeing the inspection’s scope and access, and reviewing the site conditions that constrain the work. For overhead cranes the survey extends beyond the crane to the building system it runs on: runway rails and girders, end stops, electrification, and the structure’s duty classification history — because bridge and runway degrade together and are inspected together.

Records Review

Inspectors audit paper as rigorously as steel: prior inspection reports, load test records, repair and modification history, manufacturer bulletins, and the documentation chain OSHA and ASME B30.2 require. Items test spotting the record that does not match the machine in front of the inspector — the undocumented modification, the lapsed test, the chart that belongs to another configuration.

Visual Inspection

The core craft domain: structural members, welds, wire rope and terminations, hooks and sheaves, brakes, hydraulics, electrical systems, safety devices, and placarding, each judged against published removal and acceptance criteria. Overhead visual work concentrates on bridge girders and end trucks, trolley and hoist machinery, wire rope and drum spooling, hook and latch condition, festoon and conductor systems, and the corrosion and wear patterns of machines that may have run for decades in one bay.

Operational Testing

A static crane can hide a failed brake; this domain covers function testing under controlled conditions — motions through their ranges, limit and safety device verification, brake holding tests, and rated-capacity indicator checks — and the judgment to stop a test that is itself becoming unsafe. Operational testing covers bridge, trolley, and hoist motions through full travel, limit switch verification at both ends of every axis, brake testing, pendant and radio control function, and warning device checks — on a machine whose entire travel envelope is the test course.

Load Testing and Load Charts

Proof load testing: when it is required — after assembly, modification, repair, or periodically — how test loads are determined and applied, and how the inspector verifies the chart in the cab is the chart for the machine as configured. Overhead load testing verifies rated load handling after installation, modification, or repair, and chart work becomes nameplate work: rated load marking on bridge and hoist, capacity verification against the manufacturer’s data for the installed configuration.

Post-Inspection

The inspection is not finished when the inspector leaves the machine: deficiency classification, out-of-service determinations, the written report’s required content, notification duties, re-inspection after correction, and the record retention the next inspector — and the regulator — will rely on.

Field notes: the credential at work

Overhead inspection happens inside production’s timetable: the crane is examined in the bay it serves, often in the hours the plant can spare it, and the findings are read by people whose schedules the verdict disrupts. That pressure is precisely why the credential examines documentation and classification so heavily — the inspector’s protection, and the plant’s, is a report that states the criterion, the finding, and the disposition in B30.2’s terms. Preparation should include report-writing in imagination: for each criterion studied, the candidate should be able to write the sentence that would appear in the report if the criterion failed.

Common preparation errors

  • Inspecting the crane and forgetting the runway — rails, girders, stops, and electrification are inside this specialty’s scope and inside its examination.
  • Applying construction-frame assumptions (Subpart CC) where the overhead world runs on general industry rules and B30.2 — the guide’s facts table keeps the frames separate, and so does the test.
  • Treating decades-old installed equipment as grandfathered out of criteria; the standard’s inspection provisions apply to the machine as it stands.

The reference shelf

The shelf: ASME B30.2, the overhead and gantry crane standard; OSHA 29 CFR 1910.179 for the general industry frame; the CCO Crane Inspector program’s candidate materials and experience documentation; and the installed fleet’s manufacturer data — nameplates, manuals, and load test records — which the load testing and post-inspection domains examine the candidate’s handling of.

What makes this examination demanding?

The demand is systems breadth inside one building: structure, machinery, electrics, and controls, judged against B30.2 criteria, on equipment whose configurations — single girder, double girder, top running, underhung — change the inspection materially. Inspectors from the mobile world meet unfamiliar machinery; plant maintenance veterans meet unfamiliar formality — criteria, classifications, and documentation standards applied exactly as published. The written examinations grade the standard’s version of the craft.

Working the domains together

There is a last integration the outline cannot show, because it happens across the candidate’s whole preparation rather than inside any domain: the domains of this syllabus describe one job, performed by one person, under one set of physical and regulatory constraints. The overhead crane inspector candidate who can narrate a complete task — from the first assessment the outline names to the last documentation duty it lists — and locate every domain on that narration owns the syllabus in the form the examination samples it. Use the narration as a final audit. Walk a real task from memory, aloud, in order, and mark every point where a domain’s published rule governed a choice. The points that cannot be narrated are the points the sitting will find; there is still time, in this phase, to return to them with the handbook open and convert narrative gaps into study items before they convert into lost questions.

Domain study notes

Overhead study divides naturally into machine, runway, and electrics, and candidates should audit their preparation against all three — depth in hoist machinery does not compensate for a runway-shaped gap the specialty will find. Within the six domains, Visual Inspection ranges widest here: girders and end trucks, trolley and hoist, rope and drum, festoon and conductors, on equipment whose age makes corrosion and wear criteria daily tools. Load Testing study is nameplate study: rated load marking, installed configuration data, and the test duties after installation, modification, or repair. Post-Inspection study should be practised as writing — classification, disposition, and notification in sentences a plant manager cannot misread — because that is the form in which this domain is exercised for an entire career.

A realistic route timeline

A realistic overhead inspector timeline begins, as the family’s does, with the experience file and CCO’s individual approval — plant service and inspection experience documented with the same care as field experience, drawing on employer records while they are current. Core and Overhead Specialty sittings follow, in either case with no practical band and no completion window pressing the schedule; the pressure in this designation usually arrives from the other direction, an employer’s or customer’s audit timetable, which argues for beginning the approval file as soon as the credential is decided on rather than when it is demanded. Certification runs five years, renewed by the applicable written examinations in the final year.

A preparation plan

Phase one — survey the whole outline. Read the candidate handbook or licensing guidance end to end, then work one practice set in every domain, including the domains closest to daily work. The purpose is cartography: most experienced candidates discover their weakest domain is not the one they expected, and the discovery is only useful while the calendar can still respond to it.

Phase two — domain rebuilding. Work the weakest domains from the primary documents outward: handbook chapter, outline subtopics, then practice sets in that domain alone. Keep the strong domains warm with short mixed sets rather than re-studying them; familiarity is not the same as examination readiness, but it decays more slowly than new learning builds.

Phase three — full sittings at examination pace. Sit complete timed practice in the examination’s format, under its time limit, without pausing the clock for review. Pacing is a trainable skill separate from knowledge: candidates lose sittings to unfinished sections more often than to unanswerable questions, and the loss is preventable in this phase and no other.

Phase four — route readiness. In the final stretch, shift weight from content to logistics: confirm identification and scheduling requirements from the issuing body’s current guidance, confirm the status of every companion step the route requires, and arrive at the sitting with the application file — not only the knowledge — in order.

Studying with the handbook open

Preparation for a professional written examination fails in a predictable way: the candidate studies the work, which they know, instead of the examination, which is a representation of the work in a particular published form. The corrective is to keep the primary documents at the centre of the desk. The outline tells the candidate what the sitting contains and in what proportions. The handbook or licensing guidance tells them the policies — windows, validity, companion requirements — inside which the sitting sits. The reference shelf tells them the standards from which the items are drawn. The overhead crane inspector candidate who can open each document to the relevant page without hesitation is not merely organised; they have internalised the map the examination was drawn from, and questions located anywhere on that map become findable. Build that familiarity deliberately, document by document, domain by domain, until the sources feel like tools rather than texts.

Retake, validity, and recertification planning

Two clocks govern this credential after the sitting, and both belong in the candidate’s diary from the day the result lands. The first is the completion clock, where the route imposes one: a pass is a component with a shelf life, and the remaining steps — companion examinations, practical sittings, applications — must be completed inside the window the facts table states. The second is the validity clock: Certification is valid for five years; recertification is by the applicable written examination(s). Recertification requirements should be read on the day of certification, not in the year of expiry, because some of them — an examination to schedule, a practical to arrange, education to complete — have lead times of their own. A shortfall result feeds the same system rather than breaking it: the domain reporting identifies the rebuild, the retake rules set its earliest date, and the two clocks, honestly re-read, set its latest.

The sitting itself

Arrive with the identification the issuing body requires and nothing the testing rules prohibit. Work the sitting in the order that suits the format: answer the certain items first, mark the uncertain ones, and return with the remaining time — the domains are interleaved in most sittings, so a difficult patch is a patch, not a verdict on the whole paper. Use the whole clock; a written examination of this kind rewards the candidate who checks arithmetic and re-reads stems in the final minutes over the candidate who leaves early on confidence.

After the sitting

Results and score reporting follow the issuing body’s published practice. A pass starts the completion steps in Step 4 above — plan them immediately, while windows and currency dates are fresh. A shortfall is information with an address: the domain structure of the outline tells the candidate where the rebuild belongs, and the retake rules in the issuing body’s handbook govern when the next sitting can happen. Neither outcome is a judgment on the candidate’s competence at the work itself; the examination measures examination performance, and preparation is how the two are brought into line.

Frequently asked questions

What is the Overhead Crane Inspector (OCI) credential? It is the credential this page covers: Overhead Crane Inspector — designation code OCI, in CCO’s Crane Inspector program (developed with the Crane Certification Association of America). The overhead crane inspector works indoors, over production: bridge cranes in steel mills, machine shops, warehouses, and power plants, machines that may be older than the inspectors examining them and that lift over people and processes every shift. The issuing body is CCO (NCCCO).

Who issues the overhead crane inspector credential? CCO (NCCCO). That body writes or administers the examination, sets the requirements, and makes the certification or licensing decision. PassProfessor prepares candidates for the written examination and has no part in the decision.

What written examination must candidates pass? Written examinations only — there is no practical examination in the Crane Inspector program. Certification requires the Crane Inspector Core written examination and the Overhead Crane Inspector Specialty written examination

Is there a practical or hands-on examination? There is no practical examination in this credential; its examination requirement is written only, as the facts table states.

What is the passing standard? CCO sets the passing standard for its examinations by criterion-referenced standard setting and reports each candidate’s performance by domain. This page states no percentage figure for the standard, because CCO does not publish it as a simple percentage for this designation — inventing one would misstate the record.

What does the examination cost? Third-party fees paid to CCO under its published fee schedule: Core written $210; each inspector specialty written $80 Those are third-party fees owed to the issuing body — not PassProfessor charges. This page prints no PassProfessor price.

How long does the credential last? Certification is valid for five years; recertification is by the applicable written examination(s)

What will the PassProfessor program cover? The written examination named above — its published domains, its format, and its pacing — together with the certification or licensing route around it as the issuing body publishes it. Where the credential has a practical component, that component is not covered, and the program says so wherever the credential is described.

How should preparation be sequenced? Work the published domains in the outline’s own proportions first, then sit full timed practice in the examination’s format, then return to the weakest domain with the handbook open. The preparation plan section of this guide lays the sequence out in phases, with the route’s deadlines — windows, currency dates, and approval gates — planned backward from the sitting.

What happens if a candidate does not pass? The candidate retakes the written examination under the issuing body’s published retake rules, using the domain-level performance reporting the score report provides to rebuild where the sitting was lost. Windows matter here: where the credential imposes a completion window on a set of examinations, a retake consumes it, and the route section of this guide states the window that applies to this credential.

When will the PassProfessor program open? The program is in the works and enrollment is not open yet. Join the notify list on this page and you will be emailed when enrollment opens; the companion exam guide is available to read now for planning your preparation.

Is PassProfessor affiliated with CCO (NCCCO)? No. PassProfessor is an independent preparation provider and is not affiliated with CCO (NCCCO). Nothing in the program is reported to the issuing body, and completing preparation is not a step in the certification or licensing process.